Immunomodulaton and attenuation of lethal influenza A virus infection by oral administration with KIOM-C

Eun-Ha Kim, Philippe Noriel Q Pascua, Min-Suk Song, Yun Hee Baek, Hyeok-Il Kwon, Su-Jin Park, Gyo-Jin Lim, Se Mi Kim, Arun Decano, Kwang Jin Lee, Won-Kyung Cho, Jin Yeul Ma, Young Ki Choi
Antiviral Research 2013, 98 (3): 386-93
Herbal medicine is used to treat many conditions such as asthma, eczema, premenstrual syndrome, rheumatoid arthritis, migraine, headaches, menopausal symptoms, chronic fatigue, irritable bowel syndrome, cancer, and viral infections such as influenza. In this study, we investigated the antiviral effect of KIOM-C for the treatment of influenza A virus infection. Our results show that oral administration of KIOM-C conferred a survival benefit to mice infected with the 2009 pandemic H1N1 [A(H1N1)pdm09] virus, and resulted in a 10- to 100-fold attenuation of viral replication in ferrets in a dose-dependent manner. Additionally, oral administration of KIOM-C increased the production of antiviral cytokines, including IFN-γ and TNF-α, and decreased levels of pro-inflammatory cytokines (IL-6) and chemokines (KC, MCP-1) in the Bronchoalveolar lavage fluid (BALF) of A(H1N1)pdm-infected mice. These results indicate that KIOM-C can promote clearance of influenza virus in the respiratory tracts of mice and ferrets by modulating cytokine production in hosts. Taken together, our results suggest that KIOM-C is a potential therapeutic compound mixture for the treatment of influenza virus infection in humans.

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